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SubjectRe: [PATCH] mm: complement page reclaim comment
(6/14/12 9:22 AM), Wanpeng Li wrote:
> From: Wanpeng Li<liwp@linux.vnet.ibm.com>
>
> Signed-off-by: Wanpeng Li<liwp.linux@gmail.com>
> ---
> mm/vmscan.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index ed823df..603c96f 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -3203,6 +3203,7 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
> * Reasons page might not be evictable:
> * (1) page's mapping marked unevictable
> * (2) page is part of an mlocked VMA
> + * (3) page mapped into SHM_LOCK'd shared memory regions

This is one of "marked unevictable".


> *
> */
> int page_evictable(struct page *page, struct vm_area_struct *vma)



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